[1] Guide to the W3C XML Specification (XMLspec) DTD, Version 2.1, 2014-02-24T23:47:01.000Z, 2024-08-24T02:39:47.181Z https://www.w3.org/XML/1998/06/xmlspec-report.htm#term

[2] Guide to the W3C XML Specification (XMLspec) DTD, Version 2.1, 2014-02-24T23:47:01.000Z, 2024-08-24T02:42:56.824Z https://www.w3.org/XML/1998/06/xmlspec-report.htm#termref

[3] Guide to the W3C XML Specification (XMLspec) DTD, Version 2.1, 2014-02-24T23:47:01.000Z, 2024-08-24T02:44:42.545Z https://www.w3.org/XML/1998/06/xmlspec-report.htm#xtermref